@inproceedings{EndrissEtAlIJCAI2009,
  author =        {Ulle Endriss and Maria Silvia Pini and Francesca Rossi and K. Brent Venable},
  title =         {Preference Aggregation over Restricted Ballot Languages: Sincerity and Strategy-Proofness},
  booktitle =     {Proceedings of the 21st International Joint Conference on Artificial Intelligence (IJCAI-2009)},
  pages =         {122--127},
  month =         {July},
  year =          {2009}
}